Managing Superdome Complexes: A Guide for HP-UX System Administrators

Booting and Resetting Superdome Partitions
Overview of Partition Booting Concepts and Issues
Chapter 5232
Partition Cell and HP-UX Booting Process
On HP Superdome servers, each partition goes through the stages
described here when proceeding from being powered on (or reset) to
booting the HP-UX operating system.
See also Appendix A for a discussion of the Superdome cell booting
process.
The HP-UX boot process on Superdome servers is similar to the process
on other HP servers: power-on/reset, PDC, POST, BCH, ISL, hpux (the
secondary system loader), and finally the HP-UX operating system is
booted.
HP Superdome partitions go through the following process, from power
on to booting HP-UX:
1. Power-On or Reboot
Power is turned on for components of the partition (or for the entire
complex). Or the partition is reset or rebooted.
2. Processor Dependent Code (PDC)
Each cell runs its own copy of the PDC firmware.
POST
PDC
POSTPOST
PDCPDC
Cell BIB or Cell Partition Rendezvous
BCH
hpux
ISL
HP-UX
BCH Interface
ISL
HP-UX Log-in
hpux Loader
Core Cell
Non-Core
Cells
Reset or Power On